5.My grandmother is fond of raising her voice to make a lovely tune because her hobby is______. A. cooking B. singing C. taking D. playing 6.Doing morning exercise every day is good______ your health. A. on B. to C. for D. at 7. I like eating a large meal before sleeping so I’m putting_____ weight now. A. up B. at C. off D. on 8. Did you_______“Iron man” on TV last night? A. watch B. watched C. have watched D. haven’t watched 9. She _______her English essay yet. A. didn’t finish B. finished C. hasn’t finished D. has finished 10.Lan: How long_______ English, Hoa? Hoa: For 6 years. A. you have studied B. have you studied C. you studied D. did you study 11.They _______a community garden project last month. A. start B. started C. has started 12.You should spend more time_______ for your exams. A. studying B. to study C. studied D. study